EP4127366A1 - Fenstergriffkupplung mit dehnstoffantrieb und fenster mit fenstergriffkupplung - Google Patents
Fenstergriffkupplung mit dehnstoffantrieb und fenster mit fenstergriffkupplungInfo
- Publication number
- EP4127366A1 EP4127366A1 EP21723137.2A EP21723137A EP4127366A1 EP 4127366 A1 EP4127366 A1 EP 4127366A1 EP 21723137 A EP21723137 A EP 21723137A EP 4127366 A1 EP4127366 A1 EP 4127366A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- window
- window handle
- handle coupling
- coupling
- expansion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0025—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0009—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with thermo-electric actuators, e.g. heated bimetals
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
- E05B51/005—Operating or controlling locks or other fastening devices by other non-mechanical means by a bimetallic or memory-shape element
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
Definitions
- the invention relates to a window handle coupling with an expansion drive for user-independent ventilation of rooms and a window with such a window handle coupling.
- Ventilation profiles are known which are attached to a window frame in such a way that an air passage is formed between the window frame and the window sash in the area of the ventilation profile.
- This air passage allows air to be exchanged between the living space and the outside air.
- the disadvantage of this is that this causes a permanent exchange of air, which can only be ended by removing the ventilation profiles.
- This permanent exchange of air impairs living comfort and is also extremely questionable from an energetic point of view, as it can result in increased heating costs.
- GB 2 137 748 A discloses a thermal actuator comprising a wax arranged in a closed cavity. The wax expands depending on the temperature and can thereby activate a window opening mechanism.
- the solution to be proposed should be implemented with as little effort as possible.
- the window handle coupling according to the invention for user-independent ventilation of rooms is formed with a coupling element, which is latestbil det with a receptacle for a mandrel of a window handle and in engagement with a gear for moving the fittings of a window, a housing and an expansion drive, the Expansion drive is formed with an expansion element and a spring element, the spring element is fixed to the coupling element and the housing, and the expansion element is designed and arranged so that an expansion of the expansion element causes a force to be applied to the spring element near the fixation on the housing and thus a rotation the window handle coupling causes at least partial opening of the window.
- the window handle coupling should enable user-independent ventilation of rooms. To do this, a window must be at least partially opened, at least the contact pressure of the window sash on the window frame must be reduced so that a defined leak in the window is created through which an exchange of air between the room air and the outside air can take place. When operating a window manually, this is achieved by manually rotating the window handle into the so-called quarter position, i.e. by about 45 ° will. The contact pressure is now reduced, but the window as such is closed. Increased joint ventilation is achieved, which is sufficient to remove increased air humidity.
- a comparable effect is to be achieved by the window handle coupling according to the invention, but without the action of a user.
- an at least partial opening of the window in particular in the quarter position described above, should be achieved iswii
- the window handle coupling has a coupling element which in turn has a receptacle for a mandrel of a window handle, the mandrel usually being understood as an element for the formation of an operative connection between a window handle and a gear for the fittings of a window.
- the coupling element is to be arranged in engagement with the transmission for moving the fittings of the window, so it can be used or installed in such a way that this engagement occurs.
- the window handle coupling is accordingly arranged between the usual and known window handle and the gear for moving the fittings.
- On the room side it picks up the window handle with its mandrel, so that they engage with one another and the rotational movement of one carries the other and vice versa.
- the coupling element engages in the window's own gear, with which the fittings of the window are moved in order to open or close it.
- the mandrel of the window handle engages directly in this gear and a rotation of the window handle causes the fittings to move so that the window can be opened or closed.
- the coupling element is interposed. When it acts on the window handle, the coupling element rotates around the axis of rotation provided by the gear mechanism of the fittings.
- the coupling element has an expansion drive.
- a housing envelops the coupling element and the expansion drive at least partially, preferably completely.
- the expansion drive is formed with an expansion element and a spring element.
- Dehn material elements are known per se and formed with materials, the volume of which changes significantly, usually increased, as a result of external influences, such as moisture, temperature or electrical voltage. When the action is removed, the change in volume usually goes back.
- the spring element is used to transfer the change in volume of the expansion element to the coupling element.
- the spring element is fixed on the coupling element and on the housing of the window handle coupling or connected to them.
- the shape, size and arrangement of the expansion element now takes place in such a way that the expansion element is expanded essentially in the direction of the fixed point of the spring element on or in the housing. This causes a force to be applied to the spring element near the fixed point with the housing, with “near” primarily meaning that the force is applied closer to the fixed point of the housing than to the fixed point with the coupling element.
- the aforementioned force input acts in such a way that the housing is moved in the direction in which the force acts. Since the window handle coupling and in particular the coupling element can be rotated around the axis of the gearbox and with the gearbox for the fittings of the window, a rotation is caused by the force input in connection with the distance to this axis of rotation and the connection of the housing with the coupling element through the spring element the window handle coupling causes. This rotates around the axis of rotation of the gear mechanism of the window fittings and, due to the mutual engagement with one another, takes both the gear mechanism and the window handle with it. It is thereby achieved that the fittings of the window are at least partially opened. A rotation of about 45 ° is preferably achieved, so that the quarter position of the window is reached, in which, as already stated, the contact pressure of the window sash on the window frame is reduced and joint ventilation is established.
- the design and arrangement of the window handle coupling does not hinder the manual operation of the window handle by a user to open or close a window, but rather offers additional functionality. This means that instead of the usual three window positions “closed”, “tilted” and “open”, there is another one, namely the ventilation position with reduced contact pressure.
- window handle can also be understood synonymously here as a handle for balcony doors, patio doors and the like.
- the expansion material drive is designed with a humidity sensor, an energy supply and a thermoelectric expansion material element or with a moisture-sensitive bionic expansion material element.
- the expansion drive As already stated, is designed with a spring element and an expansion element, which in this embodiment of the spring handle coupling according to the invention is designed as a thermoelectric expansion element.
- the expansion drive of this variant has a humidity sensor and an energy supply.
- the humidity sensor is intended to detect the air humidity in the environment. Its specific design is of secondary importance, but it has proven to be advantageous to design the humidity sensor as a hygrostat, for example as an electrolytic polymer sensor.
- the humidity sensor is preferably arranged at a point in the room that is representative of the development of the room air humidity; it does not have to be arranged directly on or in the window handle coupling. It is essential that this interacts with the thermoelectric expansion element and the energy supply.
- the humidity sensor is coupled wirelessly or wired to the thermoelectric expansion element and the energy supply in such a way that it releases an energy supply into the thermoelectric expansion element when a predetermined air humidity is reached or exceeded.
- the energy fed into the thermoelectric expansion element causes it to heat up and thereby expand it.
- a force is applied to the spring element and the window handle coupling is rotated. If the air humidity drops again and falls below the specified limit value, the energy supply to the thermoelectric expansion element is interrupted. This can now cool down and its expansion decreases.
- the window handle coupling is reset to its original state.
- the expansion element is designed as a moisture-sensitive bionic expansion element.
- a power supply or a humidity sensor is not required, as shown below.
- Bionics is the science that deals with the possibilities of appropriately recreating nature.
- an expansion element is formed with a material that expands with increasing air humidity.
- the expansion element can be arranged in the housing of the window handle coupling without an additional opening, the leaks in the window handle and window handle coupling caused by manufacturing are sufficient for the increased humidity to penetrate to the moisture-sensitive bionic expansion element.
- an additional opening in the housing of the window handle coupling can be provided to facilitate the air supply to the bionic expansion element.
- the bionic expansion element expands when a given air humidity is reached or exceeded, a force is applied to the spring element up to the rotation of the window handle coupling.
- the window handle coupling is also reset when the expansion of the expansion element decreases with falling air humidity.
- the rotation of the window handle clutch is limited.
- the possible rotation of the window handle coupling is limited. This can be desired, for example, in order not to impair the burglary protection of a window with the window handle coupling according to the invention.
- This usually consists of the quarter position of a window handle and the associated joint ventilation.
- the window handle coupling In order to limit the rotation of the window handle coupling as a result of the expansion of an expansion element, its material or material composition, its size and / or its position in relation to the spring element can be selected and / or limited in such a way that no further expansion occurs even if the air humidity continues to rise and / or additional force is applied to the spring element.
- the spring travel of the spring element and / or its spring force can be selected in such a way that the rotation of the window handle coupling that can be achieved therewith is limited.
- Another embodiment of the window handle coupling according to the invention is when the window handle coupling has a freewheeling element in order to effect a mechanical decoupling of the window handle coupling.
- a freewheel element can for example be a freewheel lever.
- the freewheel element is arranged in such a way that it acts on the spring element when the window handle is operated manually, so that it is unlocked. As a result, the window handle can be rotated to open the window without the housing and the expansion drive of the window handle coupling rotating.
- the window handle coupling advantageously has a communication device in order to provide remote access.
- the communication device is designed with a transmitting and receiving device, by means of which information is received and transmitted wirelessly or by wire, for example by means of an application on a smartphone. It is expedient here for the communication device to have an IP address or to be assigned an IP address so that it can be uniquely addressed and thus reached. The principle is known from the “Smart Home” area.
- remote access depending on the specific design of the window handle coupling, in particular with regard to sensors and possibly a control device, its status, i.e. whether it is open or closed, and / or sensor data can be called up or setpoint data can be adjusted and thus the triggering torque for the rotation of the window handle coupling be adjusted.
- the communication device can be arranged on or in the window handle coupling or it can be arranged at a distance or offset from it, provided that there is a coupling between the window handle coupling and the communication device.
- the expansion drive provided therein can be sensitive to the outside air temperature, outside air humidity, the room air temperature and / or the room air pollution. This is to be understood as meaning that the expansion drive also effects a rotation of the window handle coupling when one or more of the mentioned room air parameters are reached or exceeded.
- the indoor air pollution can be recorded, for example, by the content of CO 2 or VOC (English: volatile organic compounds).
- the expansion drive can be designed with additional sensors for detecting the outside air temperature, outside air humidity, the room air temperature and / or the room air pollution or with a multispectral sensor for the simultaneous detection of several room air parameters.
- the sensor (s) can be on or in the window or its component share, or be arranged in the window handle coupling or at a location representative of the air parameters.
- the representative location can be the same location as the location for the humidity sensor.
- the additional sensor or the additional sensors can be arranged in a common housing with the humidity sensor.
- the expansion drive is designed with a thermoelectric expansion element and an energy supply
- the additional sensor (s) releases an energy supply into the thermoelectric expansion element so that it is heated and expands.
- this can be designed in such a way that, as an alternative or in addition to humidity, when one or more air parameters other than air humidity are reached or exceeded, it undergoes an expansion that leads to the desired rotation of the window handle coupling.
- the additional room parameters if they are recorded by means of one or more sensors, can expediently be called up and / or evaluated by remote access, for example in order to document the ventilation behavior. It would also be possible to adjust the limit values remotely in this way.
- the opening behavior of the window handle coupling can be adjusted and, as a result, the ventilation process can be optimized.
- This can be done for example by means of a room air management device.
- This can have a control device for evaluating recorded air parameters such as room air temperature, room air pollution, outside air temperature, air humidity in the room and possibly also the outside air.
- the result of the evaluation can show whether an exchange of air makes sense when comparing the outside air temperature and the inside air temperature, taking into account the air humidity and / or air pollution. It can also happen that the rotation of the window handle coupling is not triggered, although one of the limit values may have been reached or exceeded, since ventilation in this case would not improve the air in the room.
- a special area of application is temperature management, in which the setting of the ventilation position of the window is used to achieve or maintain a desired room air temperature. This is particularly preferably done in conjunction with remote access, so that the user can also set the desired temperature remotely.
- the window handle coupling advantageously has locking monitoring. This should be able to determine whether the window is completely closed or in the ventilation position, and also whether it is tilted or open. In the simplest case, the states can take place by evaluating the sensor data recorded by the window handle coupling. A significant drop in air humidity and / or a change in the room air temperature suggest that the window is at least partially open. This also applies to a significant change in indoor air pollution.
- the window handle coupling can be designed with a device for detecting the position of the window handle and / or the position of the coupling device, for example in the form of one or more Hall sensors and a number of magnets, which are essentially ring-shaped around the window handle and / or the coupling element be arranged so that the position of the window handle or the coupling element can be detected and determined, from which in turn the opening state of the window can be inferred.
- a device for detecting the position of the window handle and / or the position of the coupling device for example in the form of one or more Hall sensors and a number of magnets, which are essentially ring-shaped around the window handle and / or the coupling element be arranged so that the position of the window handle or the coupling element can be detected and determined, from which in turn the opening state of the window can be inferred.
- such a locking monitoring not only serves to inform the user, he can also trigger the closing of the window by remote access.
- burglary monitoring can also be carried out by means of the locking monitoring system. If an open window is detected, even though the sensor data does not require opening, for example, a warning can be sent to the resident or user of the room. If he is not present or if he has reason to believe that there has been a break-in based on the warning, he can notify the police.
- the window handle coupling according to the invention can be formed out as a retrofit element for a window. It can thus be achieved that even old windows or windows according to the state of the art can be retrofitted with the window handle coupling and can benefit from their functionality. Due to the design of the window handle coupling, it is possible, please include to remove the window handle of an existing window, bring the window handle coupling into engagement with the gear provided there and then use the window handle in the window handle coupling. The installation is therefore quick and easy to handle. Depending on the geometric configuration of the window handle coupling, a shortening of the dome of the existing window handle may be necessary.
- the window handle coupling can, however, be adapted to the existing window or windows in terms of geometry, material and design. will fit so that it blends in well with the window and does not require any adjustment work to the existing window and in particular to the mandrel of the window handle.
- a window with a window handle coupling according to the invention is also claimed.
- the window handle coupling can already be used during the manufacture of the window or integrated into the overall system of the window. This means that on-site assembly is no longer necessary and it is ensured that the window handle coupling has been installed correctly. In addition, the installation of the window is not delayed in this way.
- the window handle coupling according to the invention and a window with such a user-independent ventilation of rooms can take place. If a limit value of a room air parameter such as the air humidity is reached, the window handle coupling causes a ventilation position of the window in which an increased air exchange is achieved compared to the closed window. The resident or room user does not have to intervene. In this way, sufficient ventilation of a room is achieved without additional technical components or constant air exchange between the room air and the outside air, which regularly leads to a weakening of the building envelope in terms of tightness and soundproofing. Such a weakening is not necessary with the window handle coupling according to the invention. Resetting the window handle coupling when the air change has taken place ensures that unnecessary energy is not required to balance the room climate, as the window closes promptly if the specified limit values are not reached. A needs-based ventilation is thus achieved.
- a limit value of a room air parameter such as the air humidity
- Figure 1 is a plan view and a section through an exemplary embodiment of the window handle coupling according to the invention
- Figure 2 is a perspective view of the arrangement of an inventive
- FIG. 3 shows the opening states of a window that can be achieved with a window handle coupling according to the invention.
- FIG. 1 shows a plan view (FIG. 1a) and a section (FIG. 1b) through an exemplary embodiment of the window handle coupling 10 according to the invention.
- the window handle coupling 10 was subsequently installed in an existing window.
- the window handle 12 with its mandrel 14 was removed from the window sash 40 and the mandrel 14 was shortened to the necessary size.
- the window handle coupling 10 was brought into engagement with the gear 16 for the fittings of the window and then the window handle 12 with a shortened mandrel 14 was inserted into the window handle coupling 10.
- FIG. 2 shows a plan view (FIG. 1a) and a section (FIG. 1b) through an exemplary embodiment of the window handle coupling 10 according to the invention.
- the window handle coupling 10 was subsequently installed in an existing window.
- the window handle 12 with its mandrel 14 was removed from the window sash 40 and the mandrel 14 was shortened to the necessary size.
- the window handle coupling 10 was
- the window handle coupling 10 is formed with a housing 22, a coupling element 20 and an expansion drive with a thermoelectric expansion element 24 and a spring element 26.
- the spring element 26 is fixed on the coupling element 20 (in FIG. 1a at its left end) and on the housing 22 (in FIG. 1a at its right end).
- the coupling element 20 establishes the engagement or the operative connection with the gear 16 for the fittings of the window and also provides a receptacle for the mandrel 14 of the window handle 12.
- the expansion drive has a moisture sensor and an energy supply 32 in the form of a low-voltage power supply.
- the humidity sensor is arranged at a location in the room which is representative of the development of the room air humidity and is coupled to the energy supply 32.
- the humidity sensor is designed with an electrolytic polymer sensor which has a preset switching point when a critical air humidity is reached. If this critical air humidity is reached, the humidity sensor releases the energy supply 32 so that current flows into the thermoelectric expansion element 24 and leads to its heating.
- the thermoelectric expansion element 24 now expands in the direction of the fixed point of the spring element 26 on the housing 22 (in FIG. 1 a to the right and slightly downwards).
- a rotation of about 45 ° is achieved in this embodiment, so that the quarter position of the window handle 12 is reached, in which the contact pressure of the window sash 40 on the window frame is canceled and joint ventilation occurs.
- This joint ventilation causes an exchange of air between the room air and the outside air.
- the opening width of the window handle coupling 10 is limited by its specific structural design to this 45 ° be in order not to impair the burglary protection of the window even in the ventilation position now reached. Further explanations are given below.
- FIG. 3 The ventilation position is shown in Figure 3 together with the other opening positions of a window with the window handle coupling 10 according to the invention, Figure 3a a closed window, Figure 3b a window in the ventilation position caused by the window handle coupling 10, Figure 3c an open window and Figure 3d a tilted Window shows.
- thermoelectric expansion element 24 If the air humidity falls below the critical air humidity and is detected by the humidity sensor, the energy supply to the thermoelectric expansion element 24 is interrupted. There is no further heating, rather the expansion element 24 cools down and its expansion decreases. Since there is no longer any force input to the spring element 26, it restores its initial state and thereby sets the window handle coupling 10 back to its initial position. The window is now closed and no longer ventilates.
- the window handle coupling 10 In order to mechanically decouple the window handle coupling 10 when the window is opened manually, that is to say when a user opens the window, the window handle coupling 10 has a freewheeling lever 28. If the window is opened manually, the freewheel lever 28 unlocks the spring element 26 so that the window handle 12 can be rotated while the housing 22 does not experience any rotation. Among other things, this can prevent the spring element 26 from breaking when the window handle is operated manually.
- the window handle coupling 10 is designed for remote access, that is, it has a communication device (not shown) with an IP address based on the “smart home” principle, so that the user can use an app on his smartphone to view the humidity detected by the humidity sensor can retrieve. In this way, it is also possible to monitor the closure of the window in a simple manner. If the air humidity drops significantly, it can be assumed that the window will open partially or completely, with the speed of the decrease in air humidity indicating the opening width of the window. Since the window handle coupling 10 only allows opening up to the ventilation position, a further degree of opening of the window can indicate manual opening and / or a break-in. This can be communicated to the user with the aid of the communication device.
- the window handle coupling 10 can be designed with further sensors for the temperatures of the room air and the outside air, for the outside air humidity and / or the room air pollution, so that these parameters can be included to assess whether the ventilation position should be set.
- a multispectral sensor can also be provided for recording several air parameters. The sensor or sensors can act on the energy supply 32 to the expansion element 24, or a control device can be connected in between, which evaluates the sensor data and causes the window handle coupling 10 to rotate, if necessary.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202020103061.2U DE202020103061U1 (de) | 2020-05-28 | 2020-05-28 | Fenstergriffkupplung mit Dehnstoffantrieb |
| DE102020114284.6A DE102020114284B3 (de) | 2020-05-28 | 2020-05-28 | Fenstergriffkupplung mit Dehnstoffantrieb und Fenster mit Fenstergriffkupplung |
| PCT/EP2021/059655 WO2021239319A1 (de) | 2020-05-28 | 2021-04-14 | Fenstergriffkupplung mit dehnstoffantrieb und fenster mit fenstergriffkupplung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4127366A1 true EP4127366A1 (de) | 2023-02-08 |
| EP4127366B1 EP4127366B1 (de) | 2023-06-21 |
Family
ID=75787034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21723137.2A Active EP4127366B1 (de) | 2020-05-28 | 2021-04-14 | Fenstergriffkupplung mit dehnstoffantrieb und fenster mit fenstergriffkupplung |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4127366B1 (de) |
| WO (1) | WO2021239319A1 (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2137748B (en) | 1983-03-14 | 1987-10-28 | William Barrie Hart | Thermal actuators |
| DE102011005159B4 (de) * | 2011-03-04 | 2014-07-31 | Roto Frank Ag | Beschlag mit einer Kippöffnungsbegrenzungsanordnung |
| DE102014117419A1 (de) * | 2014-11-27 | 2016-06-02 | Maco Technologie Gmbh | Beschlag für Fenster, Türen und dergleichen und Getriebeeinheit für einen solchen Beschlag |
| CN205663355U (zh) * | 2016-05-30 | 2016-10-26 | 张鑫垚 | 一种居家卧室用智能通风窗 |
-
2021
- 2021-04-14 WO PCT/EP2021/059655 patent/WO2021239319A1/de not_active Ceased
- 2021-04-14 EP EP21723137.2A patent/EP4127366B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021239319A1 (de) | 2021-12-02 |
| EP4127366B1 (de) | 2023-06-21 |
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